CN109263425B - Spring vibration damper and car - Google Patents
Spring vibration damper and car Download PDFInfo
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- CN109263425B CN109263425B CN201811115007.2A CN201811115007A CN109263425B CN 109263425 B CN109263425 B CN 109263425B CN 201811115007 A CN201811115007 A CN 201811115007A CN 109263425 B CN109263425 B CN 109263425B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G13/00—Resilient suspensions characterised by arrangement, location or type of vibration dampers
- B60G13/001—Arrangements for attachment of dampers
Abstract
The embodiment of the invention provides a spring damping device and an automobile, wherein the spring damping device comprises: the columnar support comprises a first column body part and a second column body part which are coaxially arranged from top to bottom in sequence; outer wall surface is used for the annular shock attenuation cushion that cup joints with the spring, annular shock attenuation cushion's internal face include the shape with the first interior wall portion of shape assorted of first cylinder part, and with the second interior wall portion that first interior wall part is connected, annular shock attenuation cushion cover is located on the column support, first interior wall portion with first cylinder part laminating is connected, second interior wall portion with second cylinder part joint is connected, when guaranteeing the firmness, is convenient for assemble and disassemble.
Description
Technical Field
The invention relates to the field of automobile parts, in particular to a spring vibration damping device and an automobile.
Background
With the development of the automobile industry and social economy, automobiles become essential transportation tools for people to go out in life. Many parts are present in automobiles, wherein springs are also essential automobile components for improving the performance of the automobiles.
Under the general condition, for preventing that the subassembly drops in the assembling process, realize spring structure's installation intensity, generally for the cooperation between soft installation of spring damping and the spring bracket installation assembly is firm tight fit, current mounting structure can lead to the in-process assembly of assembly and disassemble all to be more difficult.
Disclosure of Invention
The embodiment of the invention provides a spring damping device and an automobile, and aims to solve the problem that an existing mounting structure is difficult to assemble and disassemble in an assembling process.
In order to solve the technical problem, the invention is realized as follows:
in a first aspect, an embodiment of the present invention provides a spring damping device, including:
the cylindrical support comprises a first cylinder part and a second cylinder part which are coaxially arranged from top to bottom in sequence, and in the direction from the first cylinder part to the second cylinder part, the radial size of the first cylinder part is gradually reduced at a first decreasing rate, the radial size of the second cylinder part is gradually reduced at a second decreasing rate, and the second decreasing rate is smaller than the first decreasing rate;
the outer wall surface of the annular damping cushion is used for being sleeved with the spring, and the inner wall surface of the annular damping cushion comprises a first inner wall part and a second inner wall part, wherein the shape of the first inner wall part is matched with that of the first column part, and the second inner wall part is connected with the first inner wall part;
the annular damping cushion is sleeved on the columnar support, the first inner wall part is attached to and connected with the first cylinder part, and the second inner wall part is connected with the second cylinder part in a clamping mode.
Optionally, one end of the first column part, which is far away from the second column part, is provided with a lateral extension part, and the annular shock absorption cushion is in fit abutment with the lateral extension part.
Optionally, the lateral extension portion includes a first extension portion extending in a direction perpendicular to the axial center line direction of the cylindrical stent.
Optionally, an extended platform is arranged at one end of the annular shock absorbing cushion close to the first inner wall portion, and the platform is in abutting joint with the first extending portion.
Optionally, the lateral extension further comprises a second extension connected to the first extension, the second extension extending in a direction from the first column portion to the second column portion at an outer edge of the first extension.
Optionally, at least one of a concave-convex structure, a thread structure and a buckle structure is correspondingly arranged between the second inner wall portion and the second column portion.
Optionally, the annular shock absorption cushion comprises a metal framework and a rubber piece coated on the metal framework.
Optionally, one end of the second cylinder portion, which is far away from the first cylinder portion, is further provided with a connecting piece, and the connecting piece is provided with a mounting hole.
Optionally, the connector is a bowl-shaped structure, and the opening of the bowl-shaped structure faces away from the second column part.
In a second aspect, the embodiment of the present invention further provides an automobile, where the automobile includes the spring damping device as described above.
In the embodiment of the invention, the first cylinder part and the second cylinder part form a conical horn-shaped structure, the first inner wall part of the annular damping cushion is matched with the first cylinder part of the columnar support in shape, when the columnar support is sleeved with the annular damping cushion, the first inner wall part is attached to the first cylinder part, and the second inner wall part is clamped with the second cylinder part, so that loose fit and tight fit matching are formed at different parts, the resistance in the disassembly and assembly process is reduced, the annular damping cushion is convenient to assemble and disassemble while the fixed assembly of the annular damping cushion on the columnar support is realized through the friction force of the clamping and attaching parts, and the disassembly and assembly cost is reduced.
Drawings
FIG. 1 is a view showing an assembled structure of a spring damper device according to an embodiment of the present invention;
FIG. 2 shows a block diagram of a columnar stand in an embodiment of the present invention;
fig. 3 is a view showing a structure of a cushion ring according to an embodiment of the present invention.
Reference numerals: wherein in the figure:
1-a first column part, 2-a second column part, 3-a first inner wall part, 4-a second inner wall part, 5-a first extension part, 6-a second extension part, 7-a platform, 8-a connector.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the invention discloses a spring damping device, which is shown by combining figures 1, 2 and 3 and comprises:
the cylindrical support comprises a first cylinder part 1 and a second cylinder part 2 which are coaxially arranged from top to bottom in sequence, in the direction from the first cylinder part 1 to the second cylinder part 2, the radial dimension of the first cylinder part 1 is gradually reduced at a first decreasing rate, the radial dimension of the second cylinder part 2 is gradually reduced at a second decreasing rate, and the second decreasing rate is smaller than the first decreasing rate;
the outer wall surface of the annular damping cushion is used for being sleeved with a spring, and the inner wall surface of the annular damping cushion comprises a first inner wall part 3 with the shape matched with that of the first column part 1 and a second inner wall part 4 connected with the first inner wall part 3;
annular shock attenuation cushion cover is located on the column support, first inner wall portion 3 with first cylinder part 1 laminating is connected, second inner wall portion 4 with 2 block connections of second cylinder part.
Wherein, the radial dimension of the first column body part 1 and the second column body part 2 is the diameter of the section in the direction vertical to the axis of the columnar bracket, and the diameter dimension of the two parts in the direction is gradually reduced.
In the structure, the first cylinder part 1 is gradually reduced at a first reduction rate, the second cylinder part 2 is gradually reduced at a second reduction rate, the first cylinder part 1 and the second cylinder part 2 form a conical horn-shaped structure, the first inner wall part 3 of the inner wall surface of the annular damping cushion is matched with the first cylinder part 1 in shape, the radial size of a space enclosed in the first inner wall part 3 is gradually reduced at the first reduction rate, in the specific assembly process, the annular damping cushion is sleeved in the direction from the second cylinder part 2 to the first cylinder part 1, one end with the larger radial size of the annular damping cushion is convenient to penetrate through the second cylinder part 2 to realize matching and sleeving with the first cylinder part 1, at the moment, only one force is required to be applied, the resistance between one end with the smaller radial size of the annular damping cushion and the second cylinder part 2 is overcome, and the joint connection between the first inner wall part 3 and the first cylinder part 1 and the second inner wall part 4 can be realized With block between second cylinder part 2 is connected, the setting of the horn structure of first cylinder part 1 and second cylinder part 2, the installation and the dismantlement of the cushion of being convenient for, reduce the resistance of dismouting process, form the loose fit between first wall part 3 and first cylinder part 1 in this structure, form the tight fit between second wall part 4 and second cylinder part 2, form the collocation of loose fit and tight fit on different positions, when the frictional force through block and laminating part realizes the fixed mounting of annular cushion on the column support, be convenient for assemble and disassemble, reduce the dismouting cost.
In this structure, wherein, the column support cup joints with annular shock attenuation cushion, and annular shock attenuation cushion's outer wall is used for cup jointing with the spring for after the spring is installed on this damping device, realize shock-absorbing function.
Preferably, the length of the first inner wall part 3 in the axial direction of the annular shock absorbing cushion is greater than the length of the outer side wall of the first column body part 1 in the axial direction of the columnar bracket.
The first inner wall portion 3 of the annular cushion is matched with the shape of the first column body portion 1 of the columnar support, so that the inner diameter of the first inner wall portion 3 of the annular cushion decreases in the direction from the first column body portion 1 to the second column body portion 2 at the first decreasing rate, and the length of the first inner wall portion 3 in the axial direction of the annular cushion is larger than the length of the outer side wall of the first column body portion 1 in the axial direction of the columnar support, so that after the annular cushion is sleeved with the columnar support, the first inner wall portion is in fit connection with the first column body portion 1, and the length of the first inner wall portion 3 in the axial direction of the annular cushion is larger than the length of the outer side wall of the first column body portion 1 in the axial direction of the columnar support, so that a part of the first inner wall portion 3 remains after being assembled with the first column body portion 1, and because the radial dimension of the first cylinder part 1 is gradually reduced at a first rate, the radial dimension of the second cylinder part 2 is gradually reduced at a second rate, and the second rate is smaller than the first rate, the radial dimension reduction rate of the remaining part of the first inner wall part 3 is larger than the radial dimension reduction rate of the second cylinder part 2, so the inner diameter dimension of the remaining part of the first inner wall part 3 can be tightened to be smaller than the dimension of the part of the second cylinder part 2 connected with the first cylinder part 1, when assembling, the remaining part is deformed by applying an installation force and clamped on the second cylinder part 2, when assembling, the force overcoming the assembly of the remaining part can be applied to realize firm assembly, the firmness of the assembly is ensured, and the assembly and the disassembly are convenient.
In the embodiment of the application, the cooperation through radial dimension forms the block structure between annular shock attenuation cushion and the column support, realizes the block and connects, specifically forms the block structure through radial dimension's cooperation between second inner wall portion 4 of annular shock attenuation cushion and the second column portion 2 of column support, realizes the block and connects.
Preferably, a radial dimension of a space surrounded by a connecting portion of the second inner wall portion 4 and the first inner wall portion 3 is smaller than a radial dimension of a connecting portion of the second cylinder portion 2 and the first cylinder portion 1, so that the second inner wall portion 4 can be clamped and connected with a connecting end of the second cylinder portion 2 and the first cylinder portion 1 through extrusion deformation at the connecting end of the first inner wall portion 3, and during assembly, a force overcoming the assembly of the portions is applied to realize firm assembly, the firmness of assembly is ensured, and assembly and disassembly are facilitated.
Specifically, the radial dimensions of the first cylinder portion 1 and the second cylinder portion 2 are gradually reduced, and the radial dimension of any position on the second cylinder portion 2 is smaller than or equal to the radial dimension of any position on the first cylinder portion 1. Specifically, the minimum radial dimension of the first cylinder portion 1 is equal to the maximum radial dimension of the second cylinder portion 2, so that the connection at the joint is realized.
When the columnar support is connected with the annular damping cushion in a sleeved mode, the first inner wall portion 3 is attached to the first cylinder portion 1, the second inner wall portion 4 is extruded to be clamped with the second cylinder portion 2, the maximum inner diameter of the annular damping cushion at the second inner wall portion 4 is smaller than the maximum radial size of the second cylinder portion 2, clamping between the annular damping cushion and the second cylinder portion is achieved through deformation of the cushion surface, and part of the annular damping cushion is fixedly assembled on the columnar support through the friction force of the clamping and attaching portions.
The first cylinder portion 1 and the second cylinder portion 2 are both circular cylinder structures. Wherein the radial dimension of the first cylinder part 1 and the second cylinder part 2 all reduces gradually, and the first cylinder part 1 and the second cylinder part 2 are preferably hollow structures, so that the first cylinder part 1 and the second cylinder part 2 are both in a horn mouth shape, and the horn shape corresponding to the second cylinder part 2 is smaller than the horn shape corresponding to the first cylinder part 1.
Wherein said second inner wall section 4 encloses a cylindrical space, whereby the radial dimension of the second inner wall section 4 is equal to the smallest radial dimension of the first inner wall section 3, enabling the connection of the second inner wall section 4 at the lower end of the first inner wall section 3. Since the remaining portion of the first inner wall portion 3 has an inner diameter that is reduced to a size smaller than the portion of the second column portion 2 that is connected to the first column portion 1, the inner diameter of the second inner wall portion 4 will also be smaller than the portion of the second column portion 2 that is connected to the first column portion 1.
Further, preferably, at least one of a concave-convex structure, a thread structure and a snap structure is correspondingly arranged between the second inner wall portion 4 and the second column portion 2.
In a specific structure for realizing the snap connection between the second inner wall portion 4 and the second column portion 2, a concave portion and a convex portion may be correspondingly disposed on the second inner wall portion 4 and the second column portion 2 to realize the snap connection, or a thread may be correspondingly disposed on the second inner wall portion 4 and the second column portion 2 to realize the snap connection, or a buckle may be correspondingly disposed on the second inner wall portion 4 and the second column portion 2 to realize the snap connection between the two.
The columnar support is preferably made of metal.
As a preferred embodiment, one end of the first column part 1, which is far away from the second column part 2, is provided with a lateral extension part, and the annular shock absorption cushion is abutted with the lateral extension part, so that when the installation is carried out, the sleeving and the disassembly between the columnar bracket and the annular shock absorption cushion are easier.
Wherein the lateral extensions in the cylindrical support are used for connection with other components. The mounting structure is simple, and the mounting in the early stage and the vehicle maintenance in the later stage are both convenient.
Wherein, the side extension part comprises a first extension part 5 with the extension direction perpendicular to the axial lead direction of the columnar bracket, preferably, an extended platform 7 is arranged at one end of the annular shock absorption cushion close to the first inner wall part 3, and the platform 7 is in fit connection with the first extension part 5.
When the installation, embolia the column support with annular shock attenuation cushion, because the inside internal face of annular shock attenuation cushion 3 sizes of first wall portion 3 all are greater than the size of the first cylinder part 1 and the second cylinder part 2 of column support, consequently can easily assemble, final cooperation is as follows: the last plane pressure equipment of the platform 7 of annular shock pad is on the lower surface of the first extension part 5 of column support, the first inner wall portion 3 of annular shock pad is laminated with the first cylinder part 1 of column support mutually, the lower extreme surplus part of first inner wall portion 3 and the second inner wall portion 4 of annular shock pad and the second cylinder part 2 tight fit of column support, consequently, in the installation, only need exert the power of overcoming the surplus part of second cylinder part 2 and second inner wall portion 4 and first inner wall portion 3 and just can guarantee that annular shock pad does not drop from the column support, in the time of maintaining the vehicle, it is also very convenient to disassemble.
Further, preferably, the side extension portion further includes a second extension portion 6 connected to the first extension portion 5, and the second extension portion 6 extends in a direction from the first column portion 1 to the second column portion 2 at an outer edge of the first extension portion 5.
Further, preferably, the first extension portion 5, the second extension portion 6 and the pillar brace are integrally formed. Or, the first extension part 5 and the columnar bracket are integrally formed, and the first extension part 5 and the second extension part 6 are welded, so that the processing and the manufacturing are convenient.
The annular damping cushion comprises a metal framework and a rubber piece coated on the metal framework, and the structural strength is guaranteed while the damping function is achieved.
Specifically, the second cylinder part 2 is provided with a connecting piece 8 at one end far away from the first cylinder part 1, and the connecting piece 8 is provided with a mounting hole for mounting with other parts.
Preferably, the connector 8 is a bowl-shaped structure, the opening of which faces away from the second column part 2. The weight reduction and the component installation are convenient. Wherein the maximum radial dimension of the bowl-shaped structural member is smaller than the minimum radial dimension of the annular cushion second inner wall portion 4.
The embodiment of the invention also discloses an automobile which comprises the spring damping device.
While the preferred embodiments of the present invention have been described, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the following claims.
Claims (9)
1. A spring damper device, comprising:
the cylindrical support comprises a first cylinder part and a second cylinder part which are coaxially arranged from top to bottom in sequence, and in the direction from the first cylinder part to the second cylinder part, the radial size of the first cylinder part is gradually reduced at a first decreasing rate, the radial size of the second cylinder part is gradually reduced at a second decreasing rate, and the second decreasing rate is smaller than the first decreasing rate;
the outer wall surface of the annular damping cushion is used for being sleeved with the spring, and the inner wall surface of the annular damping cushion comprises a first inner wall part and a second inner wall part, wherein the shape of the first inner wall part is matched with that of the first column part, and the second inner wall part is connected with the first inner wall part;
the annular damping cushion is sleeved on the columnar support, the first inner wall part is attached to and connected with the first column body part, and the second inner wall part is connected with the second column body part in a clamping mode;
one end of the first column body part, which is far away from the second column body part, is provided with a side extension part, and the annular shock absorption cushion is abutted with the side extension part in a fitting manner;
the length of the first inner wall portion in the axial direction of the annular cushion is larger than the length of the outer side wall of the first column portion in the axial direction of the columnar bracket.
2. The spring damper apparatus according to claim 1, wherein the side surface extension portion includes a first extension portion extending in a direction perpendicular to an axial center line direction of the columnar stay.
3. The spring damper apparatus according to claim 2, wherein an end of said annular cushion proximate said first inner wall portion is provided with an outwardly extending platform in abutting engagement with said first extension.
4. The spring damper apparatus of claim 2, wherein the side extension further comprises a second extension connected to the first extension, the second extension extending in a direction from the first cylindrical portion to the second cylindrical portion at an outer edge of the first extension.
5. The spring damper apparatus according to claim 1, wherein at least one of a concave-convex structure, a threaded structure and a snap structure is disposed between the second inner wall portion and the second column portion.
6. The spring damper apparatus according to claim 1, wherein the annular cushion comprises a metal frame and a rubber member covering the metal frame.
7. The spring damper apparatus of claim 1, wherein the second cylinder portion is further provided with a connector at an end thereof remote from the first cylinder portion, the connector being provided with a mounting hole.
8. The spring damper apparatus of claim 7 wherein the attachment member is a bowl-shaped structural member having an opening facing away from the second column portion.
9. A motor vehicle, characterized in that it comprises a spring damper device according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811115007.2A CN109263425B (en) | 2018-09-25 | 2018-09-25 | Spring vibration damper and car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811115007.2A CN109263425B (en) | 2018-09-25 | 2018-09-25 | Spring vibration damper and car |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109263425A CN109263425A (en) | 2019-01-25 |
| CN109263425B true CN109263425B (en) | 2020-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811115007.2A Active CN109263425B (en) | 2018-09-25 | 2018-09-25 | Spring vibration damper and car |
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| CN (1) | CN109263425B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1609632B1 (en) * | 2004-02-11 | 2009-12-02 | Michelin AVS S.A.S. | Device for mounting the piston rod of a spring and damper system |
| CN100497989C (en) * | 2006-02-21 | 2009-06-10 | 东海橡胶工业株式会社 | Spring seat of suspension for automotive vehicle |
| CN106956558B (en) * | 2017-04-27 | 2020-05-22 | 北京新能源汽车股份有限公司 | Damping spring mounting base |
| CN207190701U (en) * | 2017-09-26 | 2018-04-06 | 北京汽车研究总院有限公司 | A kind of vehicle rear coil springs bracket assembly and there is its vehicle |
| CN207825862U (en) * | 2018-01-31 | 2018-09-07 | 北京汽车研究总院有限公司 | A kind of suspension system assembly and automobile |
| CN108482050A (en) * | 2018-04-17 | 2018-09-04 | 北京汽车研究总院有限公司 | A kind of spring shock-absorbing pad and damper bracket installation structure assembly and automobile |
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2018
- 2018-09-25 CN CN201811115007.2A patent/CN109263425B/en active Active
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| CN109263425A (en) | 2019-01-25 |
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Effective date of registration: 20200518 Address after: 100130 Zhaofeng Town, Shunyi District, Beijing Zhaofeng industrial base Tongxin Road No. 1 Applicant after: BAIC GROUP ORV Co.,Ltd. Address before: 101300, 99, Shuanghe Avenue, Renhe Town, Beijing, Shunyi District Applicant before: BEIJING AUTOMOBILE RESEARCH GENERAL INSTITUTE Co.,Ltd. |
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